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A comment on VanillaOS: Immutable Ubuntu-Based Linux. Parent comment

Re:VanillaOS: Immutable Ubuntu-Based Linux by ilyt on Saturday December 31, 2022 @06:53AM (#34195646)
> I'm surprised immutable systems aren't more popular.

Well technically near every router and embedded device is "immutable", with usually only config partition being changed, and firmware update being just re-loading whole image.

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Re:VanillaOS: Immutable Ubuntu-Based Linux by fragmede on Saturday December 31, 2022 @09:23AM (#34196657)
If that counts then maybe macOS should as well, which has a read only root filesystem with an overlay on top these days.
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Re:VanillaOS: Immutable Ubuntu-Based Linux by arjvik on Saturday December 31, 2022 @12:53PM (#34198826)
Can you elaborate on how this works? This is the first I'm hearing of it.
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Re:VanillaOS: Immutable Ubuntu-Based Linux by 0x457 on Saturday December 31, 2022 @05:59PM (#34201629)
Core of macos itself is immutable and won't let you even add kernel modules or enable/disable system services, and IIRC it lives on a separate partition that is R/O.
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Re:VanillaOS: Immutable Ubuntu-Based Linux by joshspankit on Sunday January 01, 2023 @08:00PM (#34212992)
This is the feature called System Integrity Protection (SIP)
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Re:VanillaOS: Immutable Ubuntu-Based Linux by lproven on Monday January 02, 2023 @02:14PM (#34222286)
It has used an increasingly complex disk layout which has evolved through the last few major releases.

Here is an overview of macOS 13's layout.

https://eclecticlight.co/2022/10/25/ventura-volume-layout/

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